Dietary supplements are products that contain dietary ingredients, including minerals, vitamins, herbs, amino acids, botanicals, and other categories of ingredients that can be used to supplement diets. The dosage forms of dietary supplements are tablets, powders, capsules, energy bars, liquids. The supplements are used to compensate for diets, health conditions, or eating habits that decrease the consumption of essential vitamins and nutrients. 

Based on the CRN Consumer Survey on Dietary Supplements conducted in 2019, 77% of Americans consume dietary supplements. The majority of both are males and females, aged 18+ years. Among the age groups, adults between the ages of 35 – 54 years share 18% consumption, the highest usage of dietary supplements. Consequently, the nutritional supplement industry is witnessing massive growth, primarily in vitamins and protein supplements.